#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<assert.h>
#include<string.h>
int my_strlen(const char*p)
{
	assert(p != NULL);
	int count = 0;
	while (*p)
	{
		count++;
	}
}
int main()
{
	//char* p= "abcdef";
	//int my_strlen(p);
	if (strlen("abc") - strlen("abcdef") > 0)
	{
		printf("%d", strlen("abc") - strlen("abcdef"));
	}
	else
		printf("fushu");
	return 0;
	
}